Motivated to serve by…
Though he was in the form of God, did not count equality with God a thing to be grasped, but emptied himself, by taking the form of a servant, being born in the likeness of men. (Philippians 2:6-7 ESV)
Dealing with anger in a responsible way
And 'don't sin by letting anger control you.' Don't let the sun go down while you are still angry. (Ephesians 4:26, NLT)